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2006 The Society for the Study of Evolution. All rights reserved. Evolution, 60(5), 2006, pp. 9911003
 

Summary: 991
2006 The Society for the Study of Evolution. All rights reserved.
Evolution, 60(5), 2006, pp. 9911003
COMMUNITY HERITABILITY MEASURES THE EVOLUTIONARY CONSEQUENCES OF
INDIRECT GENETIC EFFECTS ON COMMUNITY STRUCTURE
S. M. SHUSTER,1,2,3 E. V. LONSDORF,1,2,4 G. M. WIMP,1,2,5 J. K. BAILEY,1,2,6 AND T. G. WHITHAM1,2
1Department of Biological Sciences, Northern Arizona University, Flagstaff, Arizona 86011
2Merriam-Powell Center for Environmental Research, Northern Arizona University, Flagstaff, Arizona 86011
3E-mail:stephen.shuster@nau.edu
4Conservation and Science Department, Lincoln Park Zoo, Chicago, Illinois 60616
5Department of Entomology, University of Maryland, College Park, Maryland 20742
6Department of Ecology and Evolutionary Biology, University of Tennessee, Knoxville, Tennessee 37996
Abstract. The evolutionary analysis of community organization is considered a major frontier in biology. Nevertheless,
current explanations for community structure exclude the effects of genes and selection at levels above the individual.
Here, we demonstrate a genetic basis for community structure, arising from the fitness consequences of genetic
interactions among species (i.e., interspecific indirect genetic effects or IIGEs). Using simulated and natural com-
munities of arthropods inhabiting North American cottonwoods (Populus), we show that when species comprising
ecological communities are summarized using a multivariate statistical method, nonmetric multidimensional scaling
(NMDS), the resulting univariate scores can be analyzed using standard techniques for estimating the heritability of
quantitative traits. Our estimates of the broad-sense heritability of arthropod communities on known genotypes of

  

Source: Allan, Gery - Department of Biological Sciences, Northern Arizona University
Shuster, Stephen M. - Department of Biological Sciences, Northern Arizona University
Tennessee, University of - Department of Ecology and Evolutionary Biology, Genes to Ecosystems Lab

 

Collections: Biology and Medicine; Environmental Sciences and Ecology; Physics